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Configuring the cio-das16/jr – Measurement Computing CIO-DAS16/Jr User Manual

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CIO-DAS16/Jr User's Guide

Installing the CIO-DAS16/Jr

Configuring the CIO-DAS16/Jr

The CIO-DAS16/Jr has one bank of base address-select switches, a DMA level select switch, an 8/16 analog
channel select switch, and one XTAL jumper which you must set before installing the board in your computer.
The InstaCal calibration and test program included with the CIO-DAS16/Jr will show you how to set the
switches. Run InstaCal before you open your computer and install the board.

The location of each switch and jumper on the CIO-DAS16/Jr is shown in

.

Figure 1

Figure 1. Switch and jumper locations

Frequency

select

jumper

(1/10 MHz)

Analog channel
number select
switch
(8 diff./16 SE)

DMA level select switch (1/3)

Base

Address

switches

I/O
connector
P1

The CIO-DAS16/Jr is shipped with the factory-default settings listed in the table below.

Factory-configured default settings

Switch/jumper Description

Default

setting

Base address switches

DIP switch for setting the base address

300h (768 decimal)

Frequency select jumper

Selects the frequency of the source applied to the on-board
pacer to be 1 MHz or 10 MHz

1 MHz

Analog channel number select
switch

Configures the analog inputs for 8 differential or 16 single-
ended channels

8 (differential)

DMA level-select switch

Selects the DMA level to be 1 or 3

Level 1

Before installing the CIO-DAS16/Jr in the computer, verify that the board is configured with the settings that
you want. Review the following information to change the default configuration of a jumper or switch.

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